Conducted among 30,514 people, this survey aims to assess the behaviors, attitudes, knowledge, and opinions of French people aged 12 to 75 regarding health. Presented here are the initial findings of the survey and trends over the past five years. The book’s twelve chapters address tobacco, alcohol, and cannabis use; physical activity; vaccination; sexuality; cancer screening; and other topics, providing a better understanding of the determinants of health. The analyses also focus on health indicators such as quality of life, as well as experiences of violence and depression. The survey questionnaire is provided at the end of the book.